207654909

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13417}}^1$

素因数の和:13505

約数の個数: 32

約数和(自身を含む): 350370816

約数和(自身を除く): 142715907

約数列:

[1, 3, 7, 11, 21, 33, 67, 77, 201, 231, 469, 737, 1407, 2211, 5159, 13417, 15477, 40251, 93919, 147587, 281757, 442761, 898939, 1033109, 2696817, 3099327, 6292573, 9888329, 18877719, 29664987, 69218303, 207654909]

約数ペア:

[(1, 207654909), (3, 69218303), (7, 29664987), (11, 18877719), (21, 9888329), (33, 6292573), (67, 3099327), (77, 2696817), (201, 1033109), (231, 898939), (469, 442761), (737, 281757), (1407, 147587), (2211, 93919), (5159, 40251), (13417, 15477)]